Global Patent Index - EP 0189185 A2

EP 0189185 A2 19860730 - Method of controlling air-fuel ratio.

Title (en)

Method of controlling air-fuel ratio.

Title (de)

Methode zur Steuerung des Luft-Kraftstoff-Verhältnisses.

Title (fr)

Méthode de commande du rapport air-carburant.

Publication

EP 0189185 A2 19860730 (EN)

Application

EP 86100810 A 19860122

Priority

JP 906185 A 19850123

Abstract (en)

A method of controlling air-fuel ratio in which addition or subtraction is carried out on the basis of the output of an exhaust gas sensor (16) to determine a feedback constant (M) by which the air-fuel ratio is feedback-controlled. The feedback constant is changed at a given regular interval.

IPC 1-7

F02D 41/14; F02D 41/26

IPC 8 full level

F02D 41/00 (2006.01); F02D 41/14 (2006.01)

CPC (source: EP KR US)

F02D 41/14 (2013.01 - KR); F02D 41/1483 (2013.01 - EP US)

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

EP 0189185 A2 19860730; EP 0189185 A3 19871111; EP 0189185 B1 19900110; CA 1272648 A 19900814; CN 86100479 A 19860806; DE 3668220 D1 19900215; JP S61169635 A 19860731; KR 860005958 A 19860816; KR 940000342 B1 19940117; US 4853862 A 19890801

DOCDB simple family (application)

EP 86100810 A 19860122; CA 500042 A 19860121; CN 86100479 A 19860122; DE 3668220 T 19860122; JP 906185 A 19850123; KR 860000175 A 19860114; US 82073986 A 19860122